linux-kernel - [ 56/95] drm/i915: fix ELD writing for SandyBridge

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Message-Id: <20120309190206.855135588@linuxfoundation.org>
Date:	Fri, 09 Mar 2012 11:02:58 -0800
From:	Greg KH <gregkh@...uxfoundation.org>
To:	linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:	torvalds@...ux-foundation.org, akpm@...ux-foundation.org,
	alan@...rguk.ukuu.org.uk, Wu Fengguang <fengguang.wu@...el.com>,
	Keith Packard <keithp@...thp.com>,
	Eugeni Dodonov <eugeni.dodonov@...el.com>
Subject: [ 56/95] drm/i915: fix ELD writing for SandyBridge

3.2-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Wu Fengguang <fengguang.wu@...el.com>

commit b3f33cbf7ace8fc149993ee35e0d0fd57f41d6d8 upstream.

SandyBridge should be using the same register addresses as IvyBridge.

Signed-off-by: Wu Fengguang <fengguang.wu@...el.com>
Signed-off-by: Keith Packard <keithp@...thp.com>
Signed-off-by: Eugeni Dodonov <eugeni.dodonov@...el.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/gpu/drm/i915/intel_display.c |   10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -5876,14 +5876,14 @@ static void ironlake_write_eld(struct dr
 	int aud_cntl_st;
 	int aud_cntrl_st2;
 
-	if (IS_IVYBRIDGE(connector->dev)) {
-		hdmiw_hdmiedid = GEN7_HDMIW_HDMIEDID_A;
-		aud_cntl_st = GEN7_AUD_CNTRL_ST_A;
-		aud_cntrl_st2 = GEN7_AUD_CNTRL_ST2;
-	} else {
+	if (HAS_PCH_IBX(connector->dev)) {
 		hdmiw_hdmiedid = GEN5_HDMIW_HDMIEDID_A;
 		aud_cntl_st = GEN5_AUD_CNTL_ST_A;
 		aud_cntrl_st2 = GEN5_AUD_CNTL_ST2;
+	} else {
+		hdmiw_hdmiedid = GEN7_HDMIW_HDMIEDID_A;
+		aud_cntl_st = GEN7_AUD_CNTRL_ST_A;
+		aud_cntrl_st2 = GEN7_AUD_CNTRL_ST2;
 	}
 
 	i = to_intel_crtc(crtc)->pipe;


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